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Prisms in Medical News

Prism glasses expand the view for patients with hemianopia

... by attaching small, specially designed high power prisms on the top and bottom of one spectacle lens, leaving the center of the lens untouched. The prisms pull in images missing from the visual field above...directly through the clear center of the lens. prisms by their nature can shift images from one side of ...

Fossil teeth and human development

...ity, said in a news release. "Teeth grow in an incremental manner like trees or shells, preserving a record of their growth with daily marks along the prisms that make up the enamel." By making thin sections of modern and fossil teeth, the researchers were able to count the daily incremental markings w...
Prisms in Medical Technology

Study Confirms Effectiveness of Innovative Prism Glasses For Hemianopia Patients

...per understanding of the neurological processes at play when a patient uses prisms for this purpose, adds Peli. More than a million Americans suffer from... This study was conducted with a prototype of the glasses, on which the prisms are temporarily applied. There are now permanent prism glasses available, w...

Prism Glasses Expand the View for Patients with Hemianopia

... by attaching small, specially designed high power prisms on the top and bottom of one spectacle lens, leavi...e directly through the clear center of the lens. prisms by their nature can shift images from one side of ...iew. However, these previous techniques placed the prisms in the center of the glasses, which resulted in do...
Prisms in Medical Products

Press-on Prisms

Description: Press on Optics can be useful in the treatment of the following. Diabetes Mellitus - help while normalizing blood sugar. Post cataract surgery - post operative stability. Low vision -provide magnification. Accommodative esotropia - address residual near deviation. Bifocals - initial acceptance and ...
Company:Richmond Products, Inc.

Loose Prisms

Description: 4449xx These prisms are of superior quality. Set of 16 includes 1/2, 1, 2, 4, 6, 8, 10, 15, 20, 25, 30, 35, 40, 45, and 50 diopter plus Red Lens. Each measures 37mm square. 4449 xx Prism Set of 16 (5 lbs). 4445xx These prisms are of superior quality. Set of 22 includes 1/2, 1,...
Company:Richmond Products, Inc.

Seven Trial Rings

Description:... These prisms fit standard trial frames. They are made of optical quality acrylic and are...two sets available providing a full range of prisms. The advantage of these prisms that is that a patient can wear the prism with the trial frame while in the...
Company:Richmond Products, Inc.

Prisms on a stick

Description:... These individual prisms are mounted on a stick to make presentation easier and more sanitary. prisms are 37 mm square. They are available in increments from 1/2 to 50PD. Plus r...
Company:Richmond Products, Inc.

IX51 Inverted System Microscope

Features:...trinocular observation tube provides an additional camera port The sideport can be customized by choosing and installing 80/20% or 100% reflection prisms Optional 100W halogen illumination pillar is available Four condenser systems provide incredible flexibility to accommodate a wide range of sa...
Company:Olympus America Scientific

Topcon TLS-FD trial lens set

Features:... have sturdy, lightweight aluminum rings that are color-coded and marked for fast, positive identification: red for minus, black for plus and blue for prisms and accessories. Lenses are cemented and firmly clamped slots for fast and easy insertion. The set comes in a holding tray with beveled slots for fa...
Company:Topcon America Corporation

Prism Exophthalmometer

Features:... By using a design that utilizes prisms for the alignment, system errors induced by parallax are eliminated....
Company:Veatch Ophthalmic Instruments
Prisms in Biological News

Healing wounds with lasers, vehicles that drive themselves, other cutting-edge optics

...dent from above. A sequential array of "transient" prisms is created by first allowing the pump beam to pass... already advanced through the waveguide before the prisms turned on. The prisms persist for the duration of the sweep and disappea...

New aerosol observing technique turns gray skies to blue

...have to retrieve accurate and detailed aerosol properties over land surfaces," said Michael Mishchenko, Glory's project scientist. RSP uses crystal prisms to effectively filter out the bright glare from Earth's surface, functioning somewhat like polarized sunglasses by only allowing light waves oriented ...

Stanford researchers developing 3-D camera with 12,616 lenses

...y 2-D photos for the edges, shadows or focus differences that might infer the distances of objects. Others have tried cameras with multiple lenses, or prisms mounted in front of a single camera lens. One approach employs lasers; another attempts to stitch together photos taken from different angles, while y...

Fantastic Voyage: A new nanoscale view of the biological world

...cal sample, and a fraction of the atoms are emitted and ionized. These "secondary ions" can then be manipulated with ion optics ?in the way lenses and prisms manipulate visible light - to create an atomic mass image of the sample. Lechene et al. developed MIMS by combining the use of a novel secondary-ion m...
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